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Chemistry 8 Online
OpenStudy (clamin):

MEDAL!!! Can someone make this your own words?? More than 7 billion people currently inhabit the planet, compared to only 3 billion in 1967. Every year about 135 million people are born and 55 million people die, adding 80 million to our global population. That's about one United States every 4 years, or 1 billion more every 12 years. Almost half of the global population is under the age of 25 and their decisions during their reproductive years will determine whether we have 6 billion or 14 billion people by 2100.

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